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J. Bruce Fields 5666661a7e nfs: use change attribute for NFS re-exports 
[ Upstream commit 3cc55f4434b421d37300aa9a167ace7d60b45ccf ]

When exporting NFS, we may as well use the real change attribute
returned by the original server instead of faking up a change attribute
from the ctime.

Note we can't do that by setting I_VERSION--that would also turn on the
logic in iversion.h which treats the lower bit specially, and that
doesn't make sense for NFS.

So instead we define a new export operation for filesystems like NFS
that want to manage the change attribute themselves.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-19 12:27:32 +01:00
..
blocklayout SUNRPC: Add xdr_set_scratch_page() and xdr_reset_scratch_buffer() 2024-11-19 12:27:20 +01:00
filelayout SUNRPC: Add xdr_set_scratch_page() and xdr_reset_scratch_buffer() 2024-11-19 12:27:20 +01:00
flexfilelayout SUNRPC: Add xdr_set_scratch_page() and xdr_reset_scratch_buffer() 2024-11-19 12:27:20 +01:00
cache_lib.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cache_lib.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
callback.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
callback.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
callback_proc.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
callback_xdr.c SUNRPC: Make trace_svc_process() display the RPC procedure symbolically 2024-11-19 12:27:28 +01:00
client.c nfs: make the rpc_stat per net namespace 2024-11-19 11:32:41 +01:00
delegation.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
delegation.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dir.c SUNRPC: Add xdr_set_scratch_page() and xdr_reset_scratch_buffer() 2024-11-19 12:27:20 +01:00
direct.c nfs: fix UAF in direct writes 2024-11-19 09:22:34 +01:00
dns_resolve.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dns_resolve.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
export.c nfs: use change attribute for NFS re-exports 2024-11-19 12:27:32 +01:00
file.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fs_context.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fscache-index.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fscache.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fscache.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
getroot.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
inode.c nfs: Handle error of rpc_proc_register() in nfs_net_init(). 2024-11-19 11:32:41 +01:00
internal.h nfs: fix undefined behavior in nfs_block_bits() 2024-11-19 12:27:19 +01:00
io.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
iostat.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Kconfig Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mount_clnt.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
namespace.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
netns.h nfs: make the rpc_stat per net namespace 2024-11-19 11:32:41 +01:00
nfs.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs2super.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs2xdr.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs3_fs.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs3acl.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs3client.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs3proc.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs3super.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs3xdr.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4_fs.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4client.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4file.c NFSv4_2: SSC helper should use its own config. 2024-11-19 12:27:32 +01:00
nfs4getroot.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4idmap.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4idmap.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4namespace.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4proc.c NFS: Fix READ_PLUS when server doesn't support OP_READ_PLUS 2024-11-19 12:27:19 +01:00
nfs4renewd.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4session.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4session.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4state.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4super.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4sysctl.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4trace.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4trace.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs4xdr.c SUNRPC: Add xdr_set_scratch_page() and xdr_reset_scratch_buffer() 2024-11-19 12:27:20 +01:00
nfs42.h NFSv4.2: fix listxattr maximum XDR buffer size 2024-11-19 08:44:57 +01:00
nfs42proc.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs42xattr.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfs42xdr.c SUNRPC: Add xdr_set_scratch_page() and xdr_reset_scratch_buffer() 2024-11-19 12:27:20 +01:00
nfsroot.c NFS: Fix an off by one in root_nfs_cat() 2024-11-19 08:44:57 +01:00
nfstrace.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nfstrace.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pagelist.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pnfs.c pNFS: Fix a hang in nfs4_evict_inode() 2024-11-08 11:26:19 +01:00
pnfs.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pnfs_dev.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pnfs_nfs.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
proc.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
read.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
super.c NFSv4_2: SSC helper should use its own config. 2024-11-19 12:27:32 +01:00
symlink.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sysctl.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sysfs.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sysfs.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
unlink.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
write.c nfs: fix UAF in direct writes 2024-11-19 09:22:34 +01:00